Service difficulty report · Overheat Sensor · Boeing 757222

Difficulty date
May 28, 2012
Submitted
October 11, 2012
Operation
Air carrier
Aircraft
N502UA
Make and model
Boeing 757222
Aircraft serial
24623
Aircraft time
76,908 hours, 23,866 cycles
Engine
Pwa PW2037
Part
Overheat Sensor
Condition
Loose
Location
Ac Bay
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EICAS MSG-EQPT OVHT & EQPT CLG FAN- OVERHEAT LIGHT ILLUMINATED. OVERHEAT LIGHT REMAINED ILLUMINATED WHEN ALTN WAS SELECTED. RIGHT PAC DISCHARGE TEMP BECAME LOOSE FROM DUCT CAUSING PAC TO OVERHEAT, AFTER TEMP INSTALLATION OF SENSOR PAC TEMP NORMAL AND EQT COOLING TEMP NORMAL DEFER ITEM CREATED TO INOP RT PAC PENDING REPAIR OF SENSOR. RAN ENGINE 3 ATTEMPTS USING ALL IGN PER JRH2-5-1. ALL INDICATIONS WHERE OK AND ENGINES STARTED NORMALLY.